& reference not compatible with esp-idf

[Shane Powell]

Hi Rob.
I was going to try a few of your optimizations today with your latest code.
Unfortunately, the esp32-idf compiler doesn't like the references arg for your isincos256 function. espidf is primarily C

void isincos256(uint32_t v, int &si, int &co); and also the
void isincos(float v, float &si, float &co);

FastTrig/FastTrig.h

Line 52 in f24882d

 void isincos(float v, float &si, float &co); 

I changed the function prototype, and in code to use a * and it seems to be compiling now at least, but I've not actually switched to your isincos256 function yet.
void isincos256(uint32_t v, int *si, int *co);

[Rob Tillaart]

Hi,
Sounds like a bug as references do not exist in 'C'.
I'll try to fix it asap.

[Rob Tillaart]

@shaneapowell
Created - https://github.com/RobTillaart/FastTrig/tree/develop with 2x fix + updated examples.
Please verify if this works with esp-idf

[Rob Tillaart]

Merged into master and released 0.3.2